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34 votes
34 votes
Please show the steps I really don't understand the subject

Please show the steps I really don't understand the subject-example-1
User Saul Berardo
by
2.6k points

1 Answer

22 votes
22 votes

The sum of the internal angles in a triangle is 180°

50 + 2x + 3x - 10 = 180

Solve for x

5x + 40 = 180

5x = 180 - 40

5x = 140

x = 140/5

x = 28

User Farzin Zaker
by
2.5k points